defense contractors today, they followed the broader market lower. boeing, general dynamics, lockheed martin and northrop grumman all down about 1%. >> susie: for many americans, >> susie: for many americans, college is a gateway to economic success. for the past 60 years, schools across the country have considered "race" in admissions decisions, as a way to promote diversity on campus. today, the supreme court heard arguments on a case with the potential to do away with affirmative action. it's not just the education community watching this case. as sylvia hall reports, so are some of the nation's biggest companies. >> i hope the court rules that a student's race and ethnicity should not be considered when applying to the university of texas. >> reporter: that's abigail fisher, who was denied a spot in the school's 2008 freshman class. u.t. says race wasn't a factor, but fisher maintains she was rejected because she's white. that accusation could change the way colleges have picked their students for decades. by state law, three quarters of u.t.'s s